#screen{
    width: 400px;
    height: 200px;
    font-size: 20px;
    background-color: rgb(49, 113, 231);
    color: white;
    border-radius: 10px;
    text-align: center;
    line-height: 100px;
    margin-top: 100px;
}
#match-button{
    width: 400px;
    height: 50px;
    font-size: 20px;
    color: white;
    background-color: orange;
    border: none;
    outline: none;
    border-radius: 10px;
    text-align: center;
    line-height: 50px;
    margin-top: 20px;
}
#match-button:hover {
    background-color: #45a049; /* 悬停时颜色变深 */
    transform: translateY(-2px); /* 悬停时向上移动 2px */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 添加阴影 */
}

#match-button:active {
    background-color: #3e8e41; /* 点击时颜色更深 */
    transform: translateY(0); /* 点击时恢复原位 */
    box-shadow: none; /* 点击时移除阴影 */
}
html, body{
    height: 100%;
    background-image: url(../image/game_background.png);
    background-position: center;
    background-repeat: no-repeat;
}
/* 添加 AI 对战按钮样式 */
#ai-match-button {
    width: 400px;
    height: 50px;
    font-size: 18px;
    background-color: orange;
    color: white;
    border: none;
    outline: none;
    border-radius: 10px;
    text-align: center;
    line-height: 50px;
    margin-top: 10px;
    cursor: pointer;
    transition: all 0.3s ease; /* 添加过渡效果 */
}

#ai-match-button:hover {
    background-color: #45a049; /* 悬停时颜色变深 */
    transform: translateY(-2px); /* 悬停时向上移动 2px */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 添加阴影 */
}

#ai-match-button:active {
    background-color: #3e8e41; /* 点击时颜色更深 */
    transform: translateY(0); /* 点击时恢复原位 */
    box-shadow: none; /* 点击时移除阴影 */
}